Am i pregnant?

Patient : Ok , so i got my period two weeks late. It was lighter than my other periods but it was still normal i just did not have clots like i usually do. I had unprotected sex two days before it started. I had also stopped my contraception pill 3weeks before all of this happend. I have been getting symptoms like dizziness , sleeping and eating more , firm lower abdomen , smelling certain things that i could not before and getting naoseous because of it and headaches and lower backaches. I also got a faint , dark line going from my belly button to my vaginal area. I took three pregnancy test , one the day my period started , another at 12 MN and another the next morning , in that order. They were all faintly positive but they got progessively darker one after the other. Im 15 years old. Am i pregnant??

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